A DataSet can be updated only when the connection is open
True
False
Correct Answer :
B. False
Related Questions
The default event handler of TextBox is
KeyPress
Changed
TextChanged
Validating
To override Finalize function the scope of the function must be
Private
Public
Protected
Static
If a Class in inherited, its constructor is inherited automatically and it is fired automatically
True
False
A function can have multiple return statements
True
False
Class cc
public _________ I as string
end class
Button1_Click
cc.I=100
Share
Shared
Global
Static
A form can have only one default button
True
False
While handling keystrokes if e.Handled=True is set then Visual Basic
Will handle the key
Will not handle the key
Will send the key to Garbage collector
None of the above
/*1. OleDataAdapterq1.update(DataSet1,"emp")
2. OleDataAdapterq1.update(DataSet1,"std")
3. DataSet1.Merge(DataSet1)
4. DataSet1.AcceptChanges()
/* The error is in line
2
4
3
No Error
Application.StartupPath actually points to
//ProjectName
//ProjectName/Bin
//ProjectName/Debug
//ProjectName/Bin/ProjectName.exe
Only derived class can have shadows keyword
True
False
If a Form is Inherited from another Form and both Forms have certain codes in their respective Form_Load event, then while running the program
Only the first Forms code will be executed
Only the second Forms code will be executed
Both Forms code will be executed
None of the above
DomainUpDown control is used only for strings and NumericUpDown for numbers.
True
False
To print use
PrintDialog1.Print()
PrintDocument1.Print()
Printer1.Print()
None of the above
A DataSet can hold multiple tables even if there are similar fields
True
False
In HelpProvider ___________ property is used to mention the help file name
HelpFileName
FileName
HelpNamespace
Name
This view is not present in VB.NET
Project Explorer
Class View
Resource View
Server Explorer
The EventLog's ________ method is used to write an entry to a log file
WriteLine
WriteEntry
Add
Append
If an user-defined class have a user-defined event then, the class object is declared as
Dim c as new ClassName
Dim withEvents c as new ClassName
Dim c as ClassName
Dim withEvents c as ClassName
If you want to open a file named "a.txt" use
System.diagnostics.Start("a.txt")
System.Start("a.txt")
System.diagnostics.Process.Start("a.txt")
System.Process.Start("a.txt")
Data from DataSet is accessed using34
Binding Obejct
BindContext Object
BindingContext Object
EndCurrentEdit Object
Using MyBase you can call base class
Constructor
Method
Variables
All of the above
In TreeView to collapse all the nodes of a selected node ___________ method is used
CollapseAll
Collapse
Any one of the above
None of the above
A TreeView can have multiple root nodes
True
False
The Apply button automatically appears of the Font Dialog Box is opened
True
False
VB.NET supports Multi Level Inheritance
True
False
Finally is fired only when error occurs
True
False
To call a buttons click event use
Button1.Click
Button1.PerformClick
Button1.Clicked
None of the above
A form can have only ______ Main Menu and _________ Context Menu
1,1
1,Multiple
Multiple,1
1,2
In reports ___________ property help to assign user-defined criteria
ReportSource
SectionFormula
Query
SelectionFormula
_________ actually updates the values in a DataSet permanently
OleDataAdapterq1.update(DataSet1,"emp")
DataSet1.Merge(DataSet1)
DataSet1.AcceptChanges()
DataSet1.Update()